Options: Available in three colours, gold, space grey or silver and choose between GPS or cellular. Carbon emissions: By buying this refurbished device, you can save on your CO2 emissions! Find out more information on how buying refurbished can help save the planet. Extras: Splash resistance and Bluetooth 4.2. Features: This watch has advanced Apple operating System, 16 GB storage, and 18 hours of battery life. Health: With a built-in heart rate sensor and embrace the convenience of real-time information delivery via the gyroscope. Apple watch: Get a refurbished, grade C, grade B, 40mm GPS Series 4 Apple watch. Apple Watch Series 4 | Living Social | Living Social